Table 2.
Ovarian Stimulation Characteristics And Hormonal Data On The Trigger Day In FET Cycle
| Characteristics | Letrozole (n=1569) | HMG (n=1827) | Letrozole+HMG (n=2505) | P-Valuea | P-Valueb | P-Valuec |
|---|---|---|---|---|---|---|
| Hormones at time of hCG injection | ||||||
| FSH (mIU/mL) | 8.47(1.67–26.17) | 9.98(1.52–28.39) | 9.30(1.03–30.86) | <0.001 | <0.001 | <0.001 |
| LH (mIU/mL) | 19.05(0.72–74.64) | 17.99(0.42–77.75) | 18.64(0.89–80.76) | 0.054 | 0.091 | 0.658 |
| E2 (pg/mL) | 284.00(135.00–1058.00) | 483.00(128.00–2811.00) | 327.00(101.00–2443.00) | <0.001 | <0.001 | <0.001 |
| P (ng/mL) | 0.60(0.10–3.40) | 0.40(0.10–3.90) | 0.60(0.10–4.1) | <0.001 | <0.001 | 0.396 |
| Hormones on day of transfer | ||||||
| E2 (pg/mL) | 107.00(10.00–403.00) | 298.00(25.00–849.00) | 122.00(12.00–772.00) | <0.001 | <0.001 | 0.026 |
| P (ng/mL) | 18.30(1.80–56.20) | 15.00(0.50–57.50) | 19.00(0.90–60.70) | <0.001 | <0.001 | 0.008 |
| Endometrial thickness (mm) | 11.07±2.11 | 11.15±2.02 | 11.12±2.45 | 0.099 | 0.991 | 0.929 |
Notes: aLetrozole vs HMG; bHMG vs letrozole+HMGL; cLetrozole vs letrozole+HMG. Bold values represent statistical significance.